Pith Number

pith:W7PKV5RA

pith:2019:W7PKV5RACD4N4H44GAXYCN5BDI

not attested not anchored not stored refs pending

Combined measurement of velocity and temperature in liquid metal convection

Felix Schindler, J\"org Schumacher, Sven Eckert, Till Z\"urner, Tobias Vogt

arxiv:1907.03472 v2 · 2019-07-08 · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7PKV5RACD4N4H44GAXYCN5BDI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:41:12.613436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7deaaf62010f8de1f9c302f8137a11a204618b9e685256d5d585458821405d6

Aliases

arxiv: 1907.03472 · arxiv_version: 1907.03472v2 · doi: 10.48550/arxiv.1907.03472 · pith_short_12: W7PKV5RACD4N · pith_short_16: W7PKV5RACD4N4H44 · pith_short_8: W7PKV5RA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/W7PKV5RACD4N4H44GAXYCN5BDI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b7deaaf62010f8de1f9c302f8137a11a204618b9e685256d5d585458821405d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b24eff475c946cf1149d564a93c5237e8c03b9a72170a667f0e452b4ea255df0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-07-08T09:19:00Z",
    "title_canon_sha256": "e505d5bfc7c28a2d6d7098596de468949ac8b19992ef4250fb7a457e1c592400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03472",
    "kind": "arxiv",
    "version": 2
  }
}